Air Conditioning

• Air Conditioning Installation/Replacement
• Air Conditioning Service/Repair
  In addition to our expert commercial air conditioning repair services, we also provide boiler and burner services. We can convert oil systems to gas-powered, repair and clean boilers, repair and tune up burners, analyze the combustion of your system, repair boiler controls and wiring, replace heat exchangers, work on steam trap and water treatment systems, replace existing boilers, boiler operators. To learn more, contact us today.

Air Filtration

• Humidification/Dehumidification Systems

Heating

• Heating System Service/Repair
  Horizon Mechanical Services LLC is a trusted source for factory-certified commercial air conditioning and heating repair in the Washington D.C./Baltimore and Northern VA area. We pride ourselves on our ability to find solutions to our customer’s unique needs. Using data, we can pinpoint the problems with your HVAC system and correct the problem. In addition to air conditioning and heating repair, we specialize in new equipment startup, maintenance, and repair of York and Trane centrifugal chillers, computer room air conditioning units, and 100 percent outside air systems.
• Boiler Installation/Replacement
• Boiler Service/Repair
  Established in 2001, Horizon Mechanical Services LLC provides solutions to clients facing problems with their heating and cooling systems. As factory-certified technicians, we’re capable of performing boiler repair, new installations, and chiller servicing to Washington D.C./Baltimore and Northern VA area customers. We’re certified to work with numerous manufacturers of HVAC systems, including Honeywell, Carrier, WattMaster, and Stulz.